外胚叶用英语怎么说？

外胚叶

• ectoblast，ectoderm，epiblast，exoderm

例句

• Most grass embryos have a flap - like structure known as the epiblast. 大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.
• Objective : To detect ED 1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuclear families. 目的: 研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变.
• Objective To analyze genetic types and clinical features with anhidrotic ectodermal dysplasia ( EDA ). 目的分析无汗性外胚叶发育不全的遗传类型和临床特点.